[Graph] Graph toolbar > Edge button
The edge button should just hide the links but not remove them so that they still act in forceAtlas
Note: something has already be done by @cgenie, he said:
"I created a branch which adds the edge weight controls, it just needs a debouncing action, otherwise it’s slow to hide edges: https://gitlab.iscpif.fr/gargantext/purescript-gargantext/commits/dev-add-edge-weight-control"